* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  font-family: sans-serif;
}
* {
  background: rgba(0,0,255,0.05);
}
body {
  width: auto;
  max-width: 960px;
  float: none;
  display: block;
  margin-right: auto;
  margin-left: auto;
  padding-left: 0;
  padding-right: 0;
}
body::after {
  content: '';
  display: table;
  clear: both;
}
div {
  display: block;
  clear: both;
  float: none;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}
div:first-child {
  margin-left: auto;
}
div:last-child {
  margin-right: auto;
}
@media (min-width: 700px) {
  div {
    float: left;
    clear: none;
    text-align: inherit;
    width: 50%;
    margin-left: 0%;
    margin-right: 0%;
  }
  div::after {
    content: '';
    display: table;
    clear: both;
  }
  div:nth-child(n) {
    float: left;
    clear: none;
  }
  div:nth-child(2n) {
    float: right;
  }
  div:nth-child(2n + 1) {
    clear: both;
  }
}
@media (min-width: 900px) {
  div {
    float: left;
    clear: none;
    text-align: inherit;
    width: 33.33333333333333%;
    margin-left: 0%;
    margin-right: 0%;
  }
  div::after {
    content: '';
    display: table;
    clear: both;
  }
  div:nth-child(n) {
    float: left;
    clear: none;
  }
  div:nth-child(3n) {
    float: right;
  }
  div:nth-child(3n + 1) {
    clear: both;
  }
}
